CRAN fixes

Author: ironholds

.Rbuildignore

@@ -1,4 +1,5 @@
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^CONDUCT\.md$
-presentations/*
+presentations/*
+^.*\.o$

tests/testthat/test_parameters.R

@@ -34,7 +34,7 @@ test_that("Setting parameter values works", {
 
 test_that("Removing parameter keys works", {
   expect_true(param_remove("https://en.wikipedia.org/api.php?baz=qux", "baz") ==
-                "https://en.wikipedia.org/api.php?")
+                "https://en.wikipedia.org/api.php")
 })
 
 test_that("Removing parameter keys works when there are multiple parameters in the URL", {
@@ -44,7 +44,7 @@ test_that("Removing parameter keys works when there are multiple parameters in t
 
 test_that("Removing parameter keys works when there are multiple parameters to remove", {
   expect_true(param_remove("https://en.wikipedia.org/api.php?baz=qux&foo=bar", c("baz","foo")) ==
-                "https://en.wikipedia.org/api.php?")
+                "https://en.wikipedia.org/api.php")
 })
 
 test_that("Removing parameter keys works when there is no query", {